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charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org U29tZSBTRlAgbW9kdWxlcyBhcmUgbm90IGRldGVjdGVkIHdoZW4gaTJjLWZhc3QtbW9kZSBpcyBl bmFibGVkIGV2ZW4gd2hlbgpjbG9jay1mcmVxdWVuY3kgaXMgYWxyZWFkeSBzZXQgdG8gMTAwMDAw LiBUaGUgSTJDIGJ1cyB2aW9sYXRlcyB0aGUgdGltaW5nCnNwZWNpZmljYXRpb25zIHdoZW4gcnVu IGluIGZhc3QgbW9kZS4gU28gZGlzYWJsZSBmYXN0IG1vZGUgb24gVHVycmlzIE1veC4KClNhbWUg Y2hhbmdlIHdhcyBhbHJlYWR5IGFwcGxpZWQgZm9yIHVEUFUgKGFsc28gQXJtYWRhIDM3MjAgYm9h cmQgd2l0aCBTRlApCmluIGNvbW1pdCBmZTNlYzYzMWE3N2QgKCJhcm02NDogZHRzOiB1RFBVOiBy ZW1vdmUgaTJjLWZhc3QtbW9kZSIpLgoKRml4ZXM6IDcxMDlkODE3ZGIyZSAoImFybTY0OiBkdHM6 IG1hcnZlbGw6IGFkZCBEVFMgZm9yIFR1cnJpcyBNb3giKQpTaWduZWQtb2ZmLWJ5OiBQYWxpIFJv aMOhciA8cGFsaUBrZXJuZWwub3JnPgpSZXZpZXdlZC1ieTogTWFyZWsgQmVow7puIDxrYWJlbEBr ZXJuZWwub3JnPgotLS0KIGFyY2gvYXJtNjQvYm9vdC9kdHMvbWFydmVsbC9hcm1hZGEtMzcyMC10 dXJyaXMtbW94LmR0cyB8IDEgKwogMSBmaWxlIGNoYW5nZWQsIDEgaW5zZXJ0aW9uKCspCgpkaWZm IC0tZ2l0IGEvYXJjaC9hcm02NC9ib290L2R0cy9tYXJ2ZWxsL2FybWFkYS0zNzIwLXR1cnJpcy1t b3guZHRzIGIvYXJjaC9hcm02NC9ib290L2R0cy9tYXJ2ZWxsL2FybWFkYS0zNzIwLXR1cnJpcy1t b3guZHRzCmluZGV4IDZiY2MzMTlhMDE2MS4uODVmMTVmMmE0NzQwIDEwMDY0NAotLS0gYS9hcmNo L2FybTY0L2Jvb3QvZHRzL21hcnZlbGwvYXJtYWRhLTM3MjAtdHVycmlzLW1veC5kdHMKKysrIGIv YXJjaC9hcm02NC9ib290L2R0cy9tYXJ2ZWxsL2FybWFkYS0zNzIwLXR1cnJpcy1tb3guZHRzCkBA IC0xMTksNiArMTE5LDcgQEAKIAlwaW5jdHJsLW5hbWVzID0gImRlZmF1bHQiOwogCXBpbmN0cmwt MCA9IDwmaTJjMV9waW5zPjsKIAljbG9jay1mcmVxdWVuY3kgPSA8MTAwMDAwPjsKKwkvZGVsZXRl LXByb3BlcnR5LyBtcnZsLGkyYy1mYXN0LW1vZGU7CiAJc3RhdHVzID0gIm9rYXkiOwogCiAJcnRj QDZmIHsKLS0gCjIuMjAuMQoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxA bGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xp c3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AA08BC2B9F4 for ; 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Mon, 28 Jun 2021 17:12:47 +0200 (CEST) From: =?UTF-8?q?Pali=20Roh=C3=A1r?= To: Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Rob Herring , =?UTF-8?q?Marek=20Beh=C3=BAn?= , Russell King Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2] arm64: dts: armada-3720-turris-mox: remove mrvl,i2c-fast-mode Date: Mon, 28 Jun 2021 17:12:29 +0200 Message-Id: <20210628151229.25214-1-pali@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210628121015.22660-1-pali@kernel.org> References: <20210628121015.22660-1-pali@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Some SFP modules are not detected when i2c-fast-mode is enabled even when clock-frequency is already set to 100000. The I2C bus violates the timing specifications when run in fast mode. So disable fast mode on Turris Mox. Same change was already applied for uDPU (also Armada 3720 board with SFP) in commit fe3ec631a77d ("arm64: dts: uDPU: remove i2c-fast-mode"). Fixes: 7109d817db2e ("arm64: dts: marvell: add DTS for Turris Mox") Signed-off-by: Pali Rohár Reviewed-by: Marek Behún --- arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts index 6bcc319a0161..85f15f2a4740 100644 --- a/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts +++ b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts @@ -119,6 +119,7 @@ pinctrl-names = "default"; pinctrl-0 = <&i2c1_pins>; clock-frequency = <100000>; + /delete-property/ mrvl,i2c-fast-mode; status = "okay"; rtc@6f { -- 2.20.1